Gaya APA

Siahaan, M, E. (2010). Code switching the students' interaction in speaking classroom State University of Jakarta : : A case Study . Jakarta: Jurusan Pendidikan Bahasa Inggris, FBS, UNJ.

Gaya MLA

Siahaan, Marietta, Ester. "Code switching the students' interaction in speaking classroom State University of Jakarta : : A case Study". Jakarta: Jurusan Pendidikan Bahasa Inggris, FBS, UNJ, 2010. Text.